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Each type of thoracic outlet syndrome has its own specific signs and symptoms that your doctor will look for when diagnosing this condition.

  • Neurogenic thoracic outlet syndrome can cause pain that travels to the head; pain and numbness in the chest and or shoulder; pain and numbness that travels along the sides of the arm; or pain, numbness and weakness in the hand. Patients may have any or all of these symptoms. These are usually made worse by activity.
  • Venous thoracic outlet syndrome can cause sudden swelling of the entire arm; dark discoloration of the arm; and pain.
  • Arterial thoracic outlet syndrome can cause pain; coldness in the hand and fingers; pale discoloration of the affected hand; and cramping when using the arm.